10-8 S01E06 - Mercy, Mercy Me

In the beginning, Rico tries to save a person who's been shot in the chest when a huge guy on PCP attacks Rico. Rico fights back, but the fighting back has gone under investigation. Barnes finds an elderly old friend named Earl, and he wants to help him after being assaulted by gang members. Meanwhile, Lopez and Jablonski respond to a call at a club and a disturbance at a car wash.